diff --git a/apps/common/signal_handlers.py b/apps/common/signal_handlers.py
index b517e4575..588a63632 100644
--- a/apps/common/signal_handlers.py
+++ b/apps/common/signal_handlers.py
@@ -69,7 +69,7 @@ def digest_sql_query():
 
         for query in queries:
             sql = query['sql']
-            # print("  # {}: {}".format(query['time'], sql))
+            print("  # {}: {}".format(query['time'], sql))
         if len(queries) < 3:
             continue
         print("- Table: {}".format(table_name))
@@ -77,7 +77,7 @@ def digest_sql_query():
             sql = query['sql']
             if not sql or not sql.startswith('SELECT'):
                 continue
-            # print('\t{}. {}'.format(i, sql))
+            print('\t{}. {}'.format(i, sql))
 
     logger.debug(">>> [{}] {}".format(method, path))
     for name, counter in counters:
diff --git a/apps/labels/api.py b/apps/labels/api.py
index ccf0751b3..44a6702e7 100644
--- a/apps/labels/api.py
+++ b/apps/labels/api.py
@@ -129,6 +129,7 @@ class LabeledResourceViewSet(OrgBulkModelViewSet):
     }
     ordering_fields = ('res_type', 'date_created')
 
+    # Todo: 这里需要优化，查询 sql 太多
     def filter_search(self, queryset):
         keyword = self.request.query_params.get('search')
         if not keyword:
diff --git a/apps/labels/models.py b/apps/labels/models.py
index 0d5874dcb..3bf9213f5 100644
--- a/apps/labels/models.py
+++ b/apps/labels/models.py
@@ -40,5 +40,5 @@ class LabeledResource(JMSOrgBaseModel):
         unique_together = [('label', 'res_type', 'res_id', 'org_id')]
         verbose_name = _('Labeled resource')
 
-    # def __str__(self):
-    #     return '{} => {}'.format(self.label, self.resource)
+    def __str__(self):
+        return '{} => {}'.format(self.label, self.resource)